Well, at least the studio didn't plaster her ass on the posters.
"Sometimes Love Blows."
That's the main tagline of Good Luck Chuck (not "There's something funny about Dane," as is listed on IMDb). Combine the tagline with the visual in the web ad, right and, well, welcome to Movie Marketing 101, Jessica darlin'! (here's a previous example of dripping ice cream cone symbolism)
previously in Movie Marketing:
1. Saw III: where a good idea becomes a bad cliche.
2. "On the 1st Evil Day of X-Mas...
3. The Spider-Man 3™ cheeseburger.
4. TimeWarner "diversity" ad.